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<title>Using as: V850-Regs</title>

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<a name="V850_002dRegs"></a>
<div class="header">
<p>
Previous: <a href="V850_002dChars.html#V850_002dChars" accesskey="p" rel="prev">V850-Chars</a>, Up: <a href="V850-Syntax.html#V850-Syntax" accesskey="u" rel="up">V850 Syntax</a> &nbsp; [<a href="index.html#SEC_Contents" title="Table of contents" rel="contents">Contents</a>][<a href="AS-Index.html#AS-Index" title="Index" rel="index">Index</a>]</p>
</div>
<hr>
<a name="Register-Names-18"></a>
<h4 class="subsubsection">9.47.2.2 Register Names</h4>

<a name="index-V850-register-names"></a>
<a name="index-register-names_002c-V850"></a>
<p><code>as</code> supports the following names for registers:
</p><dl compact="compact">
<dd><a name="index-zero-register_002c-V850"></a>
</dd>
<dt><code>general register 0</code></dt>
<dd><p>r0, zero
</p></dd>
<dt><code>general register 1</code></dt>
<dd><p>r1
</p></dd>
<dt><code>general register 2</code></dt>
<dd><p>r2, hp
<a name="index-sp-register_002c-V850"></a>
</p></dd>
<dt><code>general register 3</code></dt>
<dd><p>r3, sp
<a name="index-gp-register_002c-V850"></a>
</p></dd>
<dt><code>general register 4</code></dt>
<dd><p>r4, gp
<a name="index-tp-register_002c-V850"></a>
</p></dd>
<dt><code>general register 5</code></dt>
<dd><p>r5, tp
</p></dd>
<dt><code>general register 6</code></dt>
<dd><p>r6
</p></dd>
<dt><code>general register 7</code></dt>
<dd><p>r7
</p></dd>
<dt><code>general register 8</code></dt>
<dd><p>r8
</p></dd>
<dt><code>general register 9</code></dt>
<dd><p>r9
</p></dd>
<dt><code>general register 10</code></dt>
<dd><p>r10
</p></dd>
<dt><code>general register 11</code></dt>
<dd><p>r11
</p></dd>
<dt><code>general register 12</code></dt>
<dd><p>r12
</p></dd>
<dt><code>general register 13</code></dt>
<dd><p>r13
</p></dd>
<dt><code>general register 14</code></dt>
<dd><p>r14
</p></dd>
<dt><code>general register 15</code></dt>
<dd><p>r15
</p></dd>
<dt><code>general register 16</code></dt>
<dd><p>r16
</p></dd>
<dt><code>general register 17</code></dt>
<dd><p>r17
</p></dd>
<dt><code>general register 18</code></dt>
<dd><p>r18
</p></dd>
<dt><code>general register 19</code></dt>
<dd><p>r19
</p></dd>
<dt><code>general register 20</code></dt>
<dd><p>r20
</p></dd>
<dt><code>general register 21</code></dt>
<dd><p>r21
</p></dd>
<dt><code>general register 22</code></dt>
<dd><p>r22
</p></dd>
<dt><code>general register 23</code></dt>
<dd><p>r23
</p></dd>
<dt><code>general register 24</code></dt>
<dd><p>r24
</p></dd>
<dt><code>general register 25</code></dt>
<dd><p>r25
</p></dd>
<dt><code>general register 26</code></dt>
<dd><p>r26
</p></dd>
<dt><code>general register 27</code></dt>
<dd><p>r27
</p></dd>
<dt><code>general register 28</code></dt>
<dd><p>r28
</p></dd>
<dt><code>general register 29</code></dt>
<dd><p>r29
<a name="index-ep-register_002c-V850"></a>
</p></dd>
<dt><code>general register 30</code></dt>
<dd><p>r30, ep
<a name="index-lp-register_002c-V850"></a>
</p></dd>
<dt><code>general register 31</code></dt>
<dd><p>r31, lp
<a name="index-eipc-register_002c-V850"></a>
</p></dd>
<dt><code>system register 0</code></dt>
<dd><p>eipc
<a name="index-eipsw-register_002c-V850"></a>
</p></dd>
<dt><code>system register 1</code></dt>
<dd><p>eipsw
<a name="index-fepc-register_002c-V850"></a>
</p></dd>
<dt><code>system register 2</code></dt>
<dd><p>fepc
<a name="index-fepsw-register_002c-V850"></a>
</p></dd>
<dt><code>system register 3</code></dt>
<dd><p>fepsw
<a name="index-ecr-register_002c-V850"></a>
</p></dd>
<dt><code>system register 4</code></dt>
<dd><p>ecr
<a name="index-psw-register_002c-V850"></a>
</p></dd>
<dt><code>system register 5</code></dt>
<dd><p>psw
<a name="index-ctpc-register_002c-V850"></a>
</p></dd>
<dt><code>system register 16</code></dt>
<dd><p>ctpc
<a name="index-ctpsw-register_002c-V850"></a>
</p></dd>
<dt><code>system register 17</code></dt>
<dd><p>ctpsw
<a name="index-dbpc-register_002c-V850"></a>
</p></dd>
<dt><code>system register 18</code></dt>
<dd><p>dbpc
<a name="index-dbpsw-register_002c-V850"></a>
</p></dd>
<dt><code>system register 19</code></dt>
<dd><p>dbpsw
<a name="index-ctbp-register_002c-V850"></a>
</p></dd>
<dt><code>system register 20</code></dt>
<dd><p>ctbp
</p></dd>
</dl>

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